The painting you are referring to is "The Third of May 1808" by Francisco de Goya. It is one of the most famous works of Spanish Romantic painter Francisco de Goya, completed in 1814. The painting depicts the execution of Spanish civilians by French soldiers during the Peninsular War. The stark contrast between the French soldiers, who appear cold and mechanical, and the Spanish civilians, who are depicted as vulnerable and emotional, makes a powerful statement about the brutality of war. Goya's use of light and shadow, as well as his expressive brushwork, contribute to the emotional impact of the painting. Overall, "The Third of May 1808" is a powerful and poignant work that continues to resonate with viewers today.